diff --git a/eav/decorators.py b/eav/decorators.py
index f600b0d..5f17d11 100644
--- a/eav/decorators.py
+++ b/eav/decorators.py
@@ -13,9 +13,10 @@ def register_eav(**kwargs):
         class Author(models.Model):
             pass
     """
-    from . import register
     from django.db.models import Model
 
+    from . import register
+
     def _model_eav_wrapper(model_class):
         if not issubclass(model_class, Model):
             raise ValueError('Wrapped class must subclass Model.')
diff --git a/eav/fields.py b/eav/fields.py
index c5d4b9d..3d5c3c3 100644
--- a/eav/fields.py
+++ b/eav/fields.py
@@ -1,7 +1,7 @@
 import re
 
-from django.db import models
 from django.core.exceptions import ValidationError
+from django.db import models
 from django.utils.translation import gettext_lazy as _
 
 from .forms import CSVFormField
diff --git a/eav/forms.py b/eav/forms.py
index 51030a6..9c15506 100644
--- a/eav/forms.py
+++ b/eav/forms.py
@@ -4,6 +4,7 @@ from copy import deepcopy
 
 from django import forms
 from django.contrib.admin.widgets import AdminSplitDateTime
+from django.core.exceptions import ValidationError
 from django.forms import (
     BooleanField,
     CharField,
@@ -13,7 +14,6 @@ from django.forms import (
     IntegerField,
     ModelForm,
 )
-from django.core.exceptions import ValidationError
 from django.utils.translation import gettext_lazy as _
 
 try:
diff --git a/eav/migrations/0001_initial.py b/eav/migrations/0001_initial.py
index 325566c..4b8ad66 100644
--- a/eav/migrations/0001_initial.py
+++ b/eav/migrations/0001_initial.py
@@ -1,8 +1,9 @@
 # Generated by Django 2.0.4 on 2018-06-01 09:36
 
-from django.db import migrations, models
 import django.db.models.deletion
 import django.utils.timezone
+from django.db import migrations, models
+
 import eav.fields
 
 
diff --git a/eav/migrations/0003_auto_20210404_2209.py b/eav/migrations/0003_auto_20210404_2209.py
index d5a3e0b..00928c8 100644
--- a/eav/migrations/0003_auto_20210404_2209.py
+++ b/eav/migrations/0003_auto_20210404_2209.py
@@ -1,8 +1,9 @@
 # Generated by Django 3.1.6 on 2021-04-04 22:09
 
-from django.db import migrations
-import eav.fields
 import django.core.serializers.json
+from django.db import migrations
+
+import eav.fields
 
 try:
     from django.db.models import JSONField
diff --git a/eav/migrations/0005_auto_20210510_1305.py b/eav/migrations/0005_auto_20210510_1305.py
index 90b8944..4b6d5b6 100644
--- a/eav/migrations/0005_auto_20210510_1305.py
+++ b/eav/migrations/0005_auto_20210510_1305.py
@@ -1,6 +1,7 @@
 # Generated by Django 3.2 on 2021-05-10 13:05
 
 from django.db import migrations
+
 import eav.fields
 
 
diff --git a/eav/queryset.py b/eav/queryset.py
index 788c531..c40ac2e 100644
--- a/eav/queryset.py
+++ b/eav/queryset.py
@@ -19,17 +19,20 @@ Q-expressions need to be rewritten for two reasons:
 2. To ensure that Q-expression tree is compiled to valid SQL.
    For details see: :func:`rewrite_q_expr`.
 """
-from itertools import count
 from functools import wraps
+from itertools import count
 
-from django.core.exceptions import FieldDoesNotExist
-from django.core.exceptions import FieldError, ObjectDoesNotExist
+from django.core.exceptions import (
+    FieldDoesNotExist,
+    FieldError,
+    ObjectDoesNotExist,
+)
 from django.db import models
 from django.db.models import Case, IntegerField, Q, When
 from django.db.models.query import QuerySet
 from django.db.utils import NotSupportedError
 
-from .models import Attribute, Value, EnumValue
+from .models import Attribute, EnumValue, Value
 
 
 def is_eav_and_leaf(expr, gr_name):
diff --git a/eav/validators.py b/eav/validators.py
index cc0dd9b..d71f879 100644
--- a/eav/validators.py
+++ b/eav/validators.py
@@ -10,8 +10,8 @@ These validators are called by the
 :class:`~eav.models.Attribute` model.
 """
 
-import json
 import datetime
+import json
 
 from django.core.exceptions import ValidationError
 from django.db import models
diff --git a/eav/widgets.py b/eav/widgets.py
index d1acc39..e68887e 100644
--- a/eav/widgets.py
+++ b/eav/widgets.py
@@ -1,6 +1,6 @@
-from django.forms.widgets import Textarea
-from django.core.exceptions import ValidationError
 from django.core import validators
+from django.core.exceptions import ValidationError
+from django.forms.widgets import Textarea
 
 EMPTY_VALUES = validators.EMPTY_VALUES + ('[]',)